Multiple starbursts in Blue Compact Galaxies

Recchi, Simone; Matteuccí, F.; D’Ercole, A.; Tosi, M.

doi:10.1051/0004-6361:20020083

Cited by 56 publications

(83 citation statements)

References 58 publications

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“…Metal-enhanced winds have been already suggested by several dynamical works (e.g. Mac Low & Ferrara 1999;Recchi et al 2001Recchi et al , 2002. In our models we simply assume a higher wind efficiency weight w i for heavy elements than H and He.…”

Section: Model With Metal-enhanced Windmentioning

confidence: 91%

Chemical evolution of dwarf irregular and blue compact galaxies

Yin

Matteuccí

Vladilo

2011

A&A

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Aims. Dwarf irregular and blue compact galaxies are very interesting objects since they are relatively simple and unevolved. We aim at deriving the formation and chemical evolution history of late-type dwarf galaxies and at comparing it with DLA systems. Methods. We present new models for the chemical evolution of these galaxies by assuming different regimes of star formation (bursting and continuous) and different kinds of galactic winds (normal and metal-enhanced). The dark-to-baryonic mass ratio is assumed to be ten in these models. The chemical evolution model follows the evolution of He, C, N, O, S, Si, and Fe in detail. We have collected the most recent data on these galaxies and compared them with our model's results. We also collected data for damped-Lyman α-systems. Results. Our results show that in order to reproduce all the properties of these galaxies, including the spread in the chemical abundances, the star formation should have proceeded in bursts and the number of bursts should be not more than ten in each galaxy, and that metal-enhanced galactic winds are required. The presence of metal-enhanced galactic winds can by itself reproduce the observed mass-metallicity relation, although an increasing efficiency of star formation and/or number and/or duration of bursts can also reproduce such a relation equally well. Conclusions. Metal-enhanced winds, together with an increasing amount of star formation with galactic mass, are required to explain most of the properties of these galaxies. Normal galactic winds, where all the gas is lost at the same rate, do not reproduce the features of these galaxies. On the other hand, a global increase in the amount of star formation (increasing efficiency, number of bursts, or burst duration) with galactic mass is able by itself to reproduce the mass-metallicity relation even without winds, but without metalenhanced winds is not able to explain many other constraints. We suggest that these galaxies should have suffered a different number of bursts varying from two to ten and that the efficiency of metal-enhanced winds should not have been too high (λ mw ∼ 1). We predict for these galaxies present-time type Ia SN rates from 0.00084 and 0.0023 per century. Finally, by comparing the abundance patterns of damped Lyman-α objects with our models, we conclude that they are very likely the progenitors of the current dwarf irregulars.

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Section: Model With Metal-enhanced Windmentioning

confidence: 91%

Chemical evolution of dwarf irregular and blue compact galaxies

Yin

Matteuccí

Vladilo

2011

A&A

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“…Concerning irregular galaxies, they are assumed to assemble with a long and continuous star formation and a large infalling timescales (Bradamante et al 1998;Recchi et al 2002;Grebel 2004). In this way, they have a moderate star formation history which leads to a slower evolution with respect to the previous two types.…”

Section: Chemical Evolution Of Galaxiesmentioning

confidence: 99%

The cosmic dust rate across the Universe

Gioannini¹,

Matteuccí

Calura

2017

Monthly Notices of the Royal Astronomical Society

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We investigate the evolution of interstellar dust in the Universe by means of chemical evolution models of galaxies of different morphological types, reproducing the main observed features of present day galaxies. We adopt the most updated prescriptions for dust production from supernovae and asymptotic giant branch (AGB) stars as well as for dust accretion and destruction processes. Then, we study the cosmic dust rate in the framework of three different cosmological scenarios for galaxy formation: i) a pure luminosity scenario (PLE), ii) a number density evolution scenario (DE), as suggested by the classical hierarchical clustering scenario and iii) an alternative scenario, in which both spirals and ellipticals are allowed to evolve in number on an observationally motivated basis. Our results give predictions about the evolution of the dust content in different galaxies as well as the cosmic dust rate as a function of redshift. Concerning the cosmic dust rate, the best scenario is the alternative one, which predicts a peak at 2 < z < 3 and reproduces the cosmic star formation rate. We compute the evolution of the comoving dust density parameter Ω dust and find agreement with data for z < 0.5 in the framework of DE and alternative scenarios. Finally, the evolution of the average cosmic metallicity is presented and it shows a quite fast increase in each scenario, reaching the solar value at the present time, although most of the heavy elements are incorporated into solid grains, and therefore not observable in the gas phase.

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“…Simulations of the chemical evolution of starburst DGs by Recchi et al (2002Recchi et al ( , 2006a, that are denoted to reproduce the peculiar abundance patterns in these galaxies by different SF episodes, found, that SN can vary widely: it starts with 10% drops and increases successively but not above 18% (Hensler 2011). For the subsequent SNIa explosions, always single events, SN is much smaller, i.e.…”

Section: Supernova Parametrization In Numerical Modelsmentioning

confidence: 99%

The Supernova – ISM/Star-formation interplay

Hensler¹

2013

Proc. IAU

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Abstract. Supernovae are the most energetic stellar events and influence the interstellar medium by their gasdynamics and energetics. By this, both also affect the star formation positively and negatively. In this paper, we review the complexity of investigations aiming at understanding the interchange between supernova explosions with the star-forming molecular clouds. Commencing from analytical studies the paper advances to numerical models of supernova feedback from superbubble scales to galaxy structure. We also discuss parametrizations of star-formation and supernova-energy transfer efficiencies. Since evolutionary models from the interstellar medium to galaxies are numerous and are applying multiple recipes of these parameters, only a representative selection of studies can be discussed here.

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Multiple starbursts in Blue Compact Galaxies

Cited by 56 publications

References 58 publications

Chemical evolution of dwarf irregular and blue compact galaxies

Chemical evolution of dwarf irregular and blue compact galaxies

The cosmic dust rate across the Universe

The Supernova – ISM/Star-formation interplay

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